diff --git a/css.html b/css.html
index f784f0f7e..64751da93 100644
--- a/css.html
+++ b/css.html
@@ -1755,6 +1755,10 @@ For example, <section> should be wrapped as inline.
Bootstrap includes validation styles for error, warning, and success states on form controls. To use, add .has-warning, .has-error, or .has-success to the parent element. Any .control-label, .form-control, and .help-block within that element will receive the validation styles.
<section> should be wrapped as inline.